Shopify apps & custom development merchants love.
BuschBytes builds Built‑for‑Shopify apps and custom stores that help European merchants sell more, stay compliant, and scale with confidence.

Trusted development partner for Shopify stores across Europe.
Two Shopify apps. One goal: help you sell more, safely.
We don't just consult — we ship our own apps on the Shopify App Store. Battle-tested by real merchants every day.
The legally-required withdrawal button, done right on Shopify.
EU Directive 2023/2673 makes an electronic withdrawal button mandatory for online shops. Revoq adds a compliant two-step withdrawal form to your store — no customer login required — with automatic confirmation emails and a clean dashboard to manage every request.
- Built for ShopifyMeets Shopify's highest standards for performance, design, and integration.
- Two-step compliant flowSubmit and confirm — covered by durable-medium email confirmation, no login needed.
- Order verificationMatches withdrawal requests to your Shopify orders, with status tracking and exports.
- 10 EU languagesEN, DE, FR, ES, NL, IT, SV, PL, PT, LT — fully customizable via Theme Editor.



Turn your order history into high-converting bundles — automatically.
Bundlr analyses your store's order data, finds the products customers buy together, and creates Shopify bundles with AI-generated descriptions and smart pricing.
- Smart order-data analysisFind the combinations that already work in your store.
- AI-generated copyBundle names, descriptions, and SEO-ready metadata.
- One-click publishCreates a native Shopify product with image, price, and variants.
- GDPR compliantAll data is processed securely inside the EU.
Custom Shopify development, done right.
From Shopify apps to themes, migrations, and performance tuning — a full-service Shopify studio for brands that want more than a template.
Custom Shopify Apps
Public or private apps built on Shopify's latest APIs, from internal tools to full App Store launches.
Custom Themes
Pixel-perfect, conversion-focused themes that match your brand and rank well on Google.
Store Migrations
Painless migrations from WooCommerce, Magento, or Shopware to Shopify — with zero data loss.
Performance Optimization
Core Web Vitals, speed, and conversion audits that turn slow stores into fast revenue machines.
EU Compliance & GDPR
Cookie banners, withdrawal forms, imprint, and tracking — legally watertight for EU markets.
Integrations
ERPs, PIMs, fulfilment, Klaviyo, Meta, and custom APIs — connected to Shopify the right way.
Got a Shopify challenge in mind?
Book a free 30-minute call and let's scope the best solution for your store.

Built by a Shopify-obsessed developer in Cologne.
BuschBytes is a boutique Shopify studio founded by Jonas Busch in Cologne, Germany. We specialise in custom Shopify apps, themes, and compliance solutions for European merchants.
We combine deep technical expertise with a product mindset: the same people who build our Built‑for‑Shopify apps also build your store. That means higher quality, fewer hand-offs, and faster results.
If you're looking for a Shopify partner who genuinely cares about code quality, store performance, and your revenue — you're in the right place.
Tech stack
Let's build something great together.
Tell us about your store, your app idea, or a Shopify challenge you're stuck on. We usually reply within one business day.
- Free 30-minute intro call
- No-obligation project quote
- EU-based, GDPR-compliant communication
- Direct contact with the founder